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Linn County, MO
9 cities and towns and 9 ZIP codes in Linn County, Missouri.
Population
11,852
Land area
616sq mi
People per sq mi
19
ZIP codes
9
Cities and towns in Linn County
Linn County at a glance
- Linn County is 79% less dense than Missouri as a whole.
- The median household income is $61,635, 13% below the Missouri median of $70,702.
- A typical owner-occupied home is valued at $123,300 (46% below Missouri) and median rent is $620 a month.
- Its largest cities are Brookfield (4,144), Marceline (2,292) and Meadville (480).
Local data for Linn County, MO
Counts from official public data
Housing and community stats
Linn County, MO, American Community Survey 2020-2024
Median household income
$61,635
Poverty rate
13.7%
Median home value
$123,300
Prices +18.7% in a year
Median rent
$620/mo
Homeownership
78.5%
Bachelor's or higher
19.2%
Median age
42.1
Average commute
20.2 min
Largest reported origins and ancestries: German Americans (1,812), Irish Americans (1,008), Mexican Americans (276).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Aug 2026, -0.6 pts in a year
Average annual pay
$46,325
4,083 jobs, 2025
Income per person
$50,769
BEA, 2024
Federal spending
$84.8M
FY 2026, $7,145 per person
PPP loans
$14.8M
840 loans, 1,874 jobs reported
Campaign donations
$16.9K
Itemized, 2026 cycle
How people get to work
Linn County, MO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.8%
- Carpooled7.3%
- Public transit0.4%
- Walked2.6%
- Bicycle0.5%
- Taxi, ride-hailing, motorcycle or other0.4%
- Worked from home9.1%
Average one-way commute: 20.2 minutes for people who do not work from home.
Environment and hazard risk
Linn County, MO, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
310
Most often thunderstorm wind
Flood insurance policies
6
0.1% of homes, county
July high / Jan low
85° / 18°F
40.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone5 historic places
Health statistics
Share of adults in Linn County, MO, CDC PLACES estimates
Obesity
35.7%
U.S. 33.3% +2.4 pts
Diabetes
13.5%
U.S. 12.1% +1.4 pts
Smoking
18.8%
U.S. 12.8% +6.0 pts
Uninsured (18-64)
9.6%
U.S. 11.1% -1.5 pts
Cities, towns and ZIP codes in Linn County
Population shown
Frequently asked questions
- What is the largest city in Linn County, MO?
- Brookfield is the largest city or town in Linn County, with about 4,144 residents.
- How many ZIP codes are in Linn County?
- Linn County includes 9 ZIP Code Tabulation Areas, including 63557, 63566, 64628, 64630, 64631.
- What is the population of Linn County, MO?
- About 11,852 people live in Linn County, based on American Community Survey 5-year estimates.
- What counties border Linn County?
- Linn County borders Adair County, Macon County, Livingston County, Grundy County, Chariton County, Sullivan County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023